body {
    /* background: #f2f2f2; */
    background: #282c34;
}

.frame {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    height: 400px;
    margin-top: -200px;
    margin-left: -200px;
    border-radius: 2px;
    box-shadow: 1px 2px 10px 0px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    background: #2b3642;
    color: #fff;
}

.center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.circle {
    box-sizing: border-box;
    width: 100px;
    height: 100px;
    border: 10px solid #0071ff;
    box-shadow: 0 0 8px #0071ff, 0 0 8px #0071ff inset;
    animation: spin 3s ease-in-out;
    animation-fill-mode: forwards;
}

@keyframes spin {
    0% {
    }
    50% {
        scale: 2;
        transform: rotate(0deg);
        border-radius: 0;
    }
    100% {
        scale: 2;
        transform: rotate(360deg);
        border-radius: 50%;
    }
}
